package com.heima.article.service.impl;

import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.article.mapper.ApArticleConfigMapper;
import com.heima.article.mapper.ApArticleContentMapper;
import com.heima.article.mapper.ApArticleMapper;
import com.heima.article.service.ApArticleService;
import com.heima.article.service.ArticleFreemarkerService;
import com.heima.common.constants.ArticleConstants;
import com.heima.model.article.dto.ArticleDto;
import com.heima.model.article.dto.ArticleHomeDto;
import com.heima.model.article.pojos.ApArticle;
import com.heima.model.article.pojos.ApArticleConfig;
import com.heima.model.article.pojos.ApArticleContent;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import lombok.extern.slf4j.Slf4j;
import org.checkerframework.checker.units.qual.A;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;

@Service
@Transactional
@Slf4j
public class ApArticleServiceImpl extends ServiceImpl<ApArticleMapper, ApArticle> implements ApArticleService
{

    // 单页最大加载的数字
    private final static short MAX_PAGE_SIZE = 50;

    @Autowired
    private ApArticleMapper articleMapper;
    /**
     * 根据参数加载文章列表
     *
     * @param loadtype 1为加载更多  2为加载最新
     * @param dto
     * @return
     */
    @Override
    public ResponseResult load(ArticleHomeDto dto,Short loadtype) {
        //1.校验参数
        Integer size = dto.getSize();
        if (size == null||size==0) size=10;
        size = Math.min(size,MAX_PAGE_SIZE);
        dto.setSize(size);

        //类型参数检验
        if (!loadtype.equals(ArticleConstants.LOADTYPE_LOAD_MORE)&&!loadtype.equals(ArticleConstants.LOADTYPE_LOAD_NEW)){
            loadtype = ArticleConstants.LOADTYPE_LOAD_MORE;
        }

        //文章频道校验
        if (StringUtils.isBlank(dto.getTag())) dto.setTag(ArticleConstants.DEFAULT_TAG);

        //时间校验
        if (dto.getMinBehotTime() == null) dto.setMinBehotTime(new Date());
        if (dto.getMaxBehotTime() == null) dto.setMaxBehotTime(new Date());

        //2.查询数据
        List<ApArticle> apArticles = articleMapper.loadArticleList(dto,loadtype);

        //3.结果返回

        return ResponseResult.okResult(apArticles);
    }

    /**
     * 保存app端相关文章
     *
     * @param dto
     * @return
     */
    @Autowired
    private ApArticleConfigMapper apArticleConfigMapper;

    @Autowired
    private ApArticleContentMapper apArticleContentMapper;

    @Autowired
    private ArticleFreemarkerService articleFreemarkerService;

    @Override
    public ResponseResult saveArticle(ArticleDto dto) {
//        try {
//            Thread.sleep(3000);
//        } catch (InterruptedException e) {
//            e.printStackTrace();
//        }
        //1.检查参数
        if (dto == null) return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);

        ApArticle aparticle = new ApArticle();
        BeanUtils.copyProperties(dto,aparticle);//拷贝属性 把dto的属性拷贝给article

        //2.判断是否存在id
         if (dto.getId()==null){
             //2.1 不存在 -> 保存  文章 文章配置 文章内容
                 //   保存文章
                 save(aparticle);

                 //   保存配置
             ApArticleConfig apArticleConfig = new ApArticleConfig(aparticle.getId());
             apArticleConfigMapper.insert(apArticleConfig);

                //    保存内容
             ApArticleContent apArticleContent = new ApArticleContent();
             apArticleContent.setArticleId(aparticle.getId());
             apArticleContent.setContent(dto.getContent());
             apArticleContentMapper.insert(apArticleContent);

         }else {
             //2.2 存在 -> 修改 文章 文章内容
             //修改文章
             updateById(aparticle);

             //修改文章内容
             ApArticleContent apArticleContent = apArticleContentMapper.selectOne
                     (Wrappers.<ApArticleContent>lambdaQuery().eq
                             (ApArticleContent::getArticleId,dto.getId()));
             apArticleContent.setContent(dto.getContent());
             apArticleContentMapper.updateById(apArticleContent);

         }

         //异步调用 生成静态文件上传到minio
        articleFreemarkerService.buildArticleToMinio(aparticle,dto.getContent());

        //3.结果返回 文章的id
        return ResponseResult.okResult(aparticle.getId());
    }

}

